Active noise reductionCancels out interior noise by playing the opposite noise through the vehicle's speakers.

Cancels out interior noise by playing the opposite noise through the vehicle's speakers.

Adaptive cruise control, all-speedAutomatically maintains set distance behind preceding vehicle as well as set speed. Can bring vehicle to a complete stop then accelerate back up to set speed. Replaces regular adaptive cruise control, and includes its value.

Automatically maintains set distance behind preceding vehicle as well as set speed. Can bring vehicle to a complete stop then accelerate back up to set speed. Replaces regular adaptive cruise control, and includes its value.

Hands-free trunk or liftgateRelease latch by waving a foot beneath the bumper or a hand near a sensor.

Release latch by waving a foot beneath the bumper or a hand near a sensor.

Heated / cooled cup holders, second row

Heated steering wheel

Power front side windowsOften must be ordered with power rear side windows, if these are available.

Often must be ordered with power rear side windows, if these are available.

Power liftgateLiftgate can be opened and closed using buttons inside the vehicle and on the keyfob.

Liftgate can be opened and closed using buttons inside the vehicle and on the keyfob.

Power locks

Power rear side windows

Proximity keyEnter and start the vehicle without removing the key from your pocket.

Enter and start the vehicle without removing the key from your pocket.

Remote appCheck on car and remotely control various functions (remote start, locks, lights, and/or HVAC) from a telephone or computer. Usually requires a monthly fee, though often as part of a package of telematics services.

Check on car and remotely control various functions (remote start, locks, lights, and/or HVAC) from a telephone or computer. Usually requires a monthly fee, though often as part of a package of telematics services.

Remote keyless entryUnlock and lock the car using buttons on the keyfob.

Unlock and lock the car using buttons on the keyfob.

Semi-automated parking systemAutomatically steers the vehicle into a parking space. Driver operates the transmission, and sometimes also the brake and accelerator.

Automatically steers the vehicle into a parking space. Driver operates the transmission, and sometimes also the brake and accelerator.

Sound insulation, additionalOnly listed if not standard on all trims. No value because no way to compare across models.

Only listed if not standard on all trims. No value because no way to compare across models.

Sunshades, second rowGreatly reduce the amount of sunlight entering the rear side windows. Retract into rear doors.

Greatly reduce the amount of sunlight entering the rear side windows. Retract into rear doors.

Tilt/telescoping steering wheel, manual

Universal garage door openerHomelink.

Homelink.

Brakes, Airbags, and Other Safety

4-wheel disc brakesRear disc brakes.

Rear disc brakes.

Active or whiplash-reducing head restraints, front seatsIf active, automatically move forward when the vehicle is rear-ended. Note: becoming less common.

If active, automatically move forward when the vehicle is rear-ended. Note: becoming less common.

AlarmOnly listed when pricing a single model because insufficient data for all cars.

Only listed when pricing a single model because insufficient data for all cars.

Antilock brakes (ABS)Automatically pulse the brakes in hard stops to prevent wheels from locking up, making it possible to brake and steer at the same time.

Automatically pulse the brakes in hard stops to prevent wheels from locking up, making it possible to brake and steer at the same time.

Around view camerasSmall external cameras provide a top-down view all around the vehicle, to reduce blind spots while parking.

Small external cameras provide a top-down view all around the vehicle, to reduce blind spots while parking.

Radar- or camera-based collision preparation systemPrepares brakes (and sometimes also seat belts) for use when radar detects an imminent collision. Might also move seats and close windows. Early Lexus system used laser.

Prepares brakes (and sometimes also seat belts) for use when radar detects an imminent collision. Might also move seats and close windows. Early Lexus system used laser.

App supportTouchscreen and/or voice control over apps that can include online search, Facebook, Twitter, Pandora, OpenTable, and MovieTickets.com. Requires connected compatible phone. Fees may apply after first three years.

Touchscreen and/or voice control over apps that can include online search, Facebook, Twitter, Pandora, OpenTable, and MovieTickets.com. Requires connected compatible phone. Fees may apply after first three years.

Apple CarPlay supportRequires compatible Apple iPhone.

Requires compatible Apple iPhone.

Audio controls on steering wheel

Automatic air recirculationAutomatically recirculates interior air when pollution is detected in outside air.

Automatically recirculates interior air when pollution is detected in outside air.

Automatic climate control, frontMaintains set temperature in front row. Requires air conditioning and does not include its value.

Maintains set temperature in front row. Requires air conditioning and does not include its value.

Aux inputJack for an iPod or similar device. No value because of incomplete data. Will soon be standard on nearly every car.

Jack for an iPod or similar device. No value because of incomplete data. Will soon be standard on nearly every car.

Connects car to the Internet to update systems, download information, and/or browse. Includes internal modem, usually requires car-specific broadband service with monthly fee.

Interior air filterFilters exterior air before it enters the passenger compartment. No default value because most cars have them, even in cases where they're not in the official list of features.

Filters exterior air before it enters the passenger compartment. No default value because most cars have them, even in cases where they're not in the official list of features.

Ionizing air filtrationIonizes air to clean it. Might create high levels of ozone.

Ionizes air to clean it. Might create high levels of ozone.

Navigation systemScreen-based navigation system.

Screen-based navigation system.

Rain-sensing wipersWipers automatically turn on and adjust their speed based on input from a rain sensor.

Wipers automatically turn on and adjust their speed based on input from a rain sensor.

Rear air ventsVents at aft end of center console, in B-pillars, and/or in ceiling.

Vents at aft end of center console, in B-pillars, and/or in ceiling.

Rear air vents with automatic controlsMaintains set temperature in rear passenger area by providing heated or cooled air through vents in the center console, B-pillars, and/or ceiling. Replaces and includes value of rear air vents with manual controls.

Maintains set temperature in rear passenger area by providing heated or cooled air through vents in the center console, B-pillars, and/or ceiling. Replaces and includes value of rear air vents with manual controls.

Rear defrost

Rear dual-zone climate controlRequires and does not include the value of rear air vents.

Requires and does not include the value of rear air vents.

Rear heat ductsDucts under front seats direct heated air to the second row.

Ducts under front seats direct heated air to the second row.

Rear HVAC unitA second evaporator provides cool air to rear vents. Does not include the value of these vents. Includes rear heater.

A second evaporator provides cool air to rear vents. Does not include the value of these vents. Includes rear heater.

Rear wiper

Residual heatProvides heat for an extended period of time after the engine has been cut off.

Provides heat for an extended period of time after the engine has been cut off.

Satellite radioXM or Sirius. Includes a subscription for three to six months, after which monthly fees apply.

XM or Sirius. Includes a subscription for three to six months, after which monthly fees apply.

Second DVD player for entertainment systemSecond DVD player allows two different DVDs to be played simultaneously.

Second DVD player allows two different DVDs to be played simultaneously.

SMS text-to-speech readerConverts text messages to speech.

Converts text messages to speech.

Surround sound

Telematics service, such as OnStarIn-vehicle security, communications, and diagnostics system. For 2011 and newer cars often includes a remote app. Monthly fee after the first 6-12 months.

In-vehicle security, communications, and diagnostics system. For 2011 and newer cars often includes a remote app. Monthly fee after the first 6-12 months.

Trip computerReports average fuel economy, and perhaps also instantaneous fuel economy, distance to empty, average speed, and other stats.

Reports average fuel economy, and perhaps also instantaneous fuel economy, distance to empty, average speed, and other stats.

Turn signals on or near mirrors

Powertrain

10 kWh battery pack

3.5 kW onboard charger

Automatic start / stopAutomatically cuts off the engine when the vehicle is stopped and restarts it when the driver lifts off the brake pedal. Not listed for hybrids, where it is generally part of the powertrain system.

Automatically cuts off the engine when the vehicle is stopped and restarts it when the driver lifts off the brake pedal. Not listed for hybrids, where it is generally part of the powertrain system.

Polished alloy wheelsAlloy wheels highly polished to yield an almost chrome-like finish. In the past valued more highly than regular alloy wheels. But the term is used so broadly lately, often meaning that only some of the wheel face is machined, that they have the same defau

Alloy wheels highly polished to yield an almost chrome-like finish. In the past valued more highly than regular alloy wheels. But the term is used so broadly lately, often meaning that only some of the wheel face is machined, that they have the same defau